102021010200149 has 2 divisors, whose sum is σ = 102021010200150. Its totient is φ = 102021010200148.

The previous prime is 102021010200143. The next prime is 102021010200223. The reversal of 102021010200149 is 941002010120201.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 101984650575025 + 36359625124 = 10098745^2 + 190682^2 .

It is a cyclic number.

It is not a de Polignac number, because 102021010200149 - 2⁴ = 102021010200133 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (102021010200143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51010505100074 + 51010505100075.

It is an arithmetic number, because the mean of its divisors is an integer number (51010505100075).

Almost surely, 2^{102021010200149} is an apocalyptic number.

It is an amenable number.

102021010200149 is a deficient number, since it is larger than the sum of its proper divisors (1).

102021010200149 is an equidigital number, since it uses as much as digits as its factorization.

102021010200149 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 288, while the sum is 23.

The spelling of 102021010200149 in words is "one hundred two trillion, twenty-one billion, ten million, two hundred thousand, one hundred forty-nine".